15/1976 contains, in articles 43 to 48, provisions on participation in crime according to which the perpetrator of terrorist acts is considered a principal actor of the offence, inasmuch as he combines in his behaviour the elements that make up the offence (article 43), and those who finance, direct, support or otherwise facilitate the commission of the offence are considered accessories to the offence (articles 44 and 45).
Asimismo, quienes financien, planifiquen, presten apoyo o de cualquier otra manera faciliten la comisión de esos actos, serán considerados cómplices del delito (artículos 44 y 45).